Iniciar sesión
Deutsch English Español Polski
Media

Cross-Site Scripting via Rich-Text Content

  • Publicada: 19.08.2021
  • Actualizado: 11.10.2026 10:22

Meta

  • CVSS: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC (5.7)

Problem

Failing to properly parse, sanitize and encode malicious rich-text content, the content rendering process in the website frontend is vulnerable to cross-site scripting. Corresponding rendering instructions via TypoScript functionality HTMLparser do not consider all potentially malicious HTML tag & attribute combinations per default.

In addition, the lack of comprehensive default node configuration for rich-text fields in the backend user interface fosters this malfunction.

In default scenarios, a valid backend user account is needed to exploit this vulnerability. In case custom plugins used in the website frontend accept and reflect rich-text content submitted by users, no authentication is required.

Solution

Update to TYPO3 versions 7.6.53 ELTS, 8.7.42 ELTS, 9.5.29, 10.4.19, 11.3.2 that fix the problem described above.

Custom package typo3/html-sanitizer - based on allow-lists only - takes care of sanitizing potentially malicious markup. The default behavior is based on safe and commonly used markup - however, this can be extended or restricted further in case it is necessary for individual scenarios.

During the frontend rendering process, sanitization is applied to the default TypoScript path lib.parseFunc, which is implicitly used by the Fluid view-helper instruction f:format.html. Rich-text data persisted using the backend user interface is sanitized as well. Implementation details are explained in corresponding ChangeLog documentation.

Credits

Thanks to Benjamin Stiber, Gert-Jan Jansma, Gábor Ács-Kurucz, Alexander Kellner, Richie Lee, Nina Rösch who reported this issue, and to TYPO3 security team member Oliver Hader, as well as TYPO3 contributor Susanne Moog who fixed the issue.

References

Software afectado

Haz clic en una tecnología para ver todas sus vulnerabilidades.

PlataformaPaqueteVersiones vulnerablesCorregida en
Paquete de Composer typo3/cms >= 10.0.0, < 10.4.19, >= 11.0.0, < 11.3.2, >= 9.0.0, < 9.5.29, >= 8.0.0, < 8.7.42, >= 7.0.0, < 7.6.53 10.4.19, 11.3.2, 9.5.29, 8.7.42, 7.6.53
Paquete de Composer typo3/cms-core >= 7.0.0, < 7.6.53, >= 8.0.0, < 8.7.42, >= 10.0.0, < 10.4.19, >= 11.0.0, < 11.3.2, >= 9.0.0, < 9.5.29 7.6.53, 8.7.42, 10.4.19, 11.3.2, 9.5.29

Referencias

Puntuación CVSS 6.1/10
Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Debilidad (CWE)
CWE-79
Plataforma
Composer
Paquete
typo3/cms, typo3/cms-core
Publicada
19.08.2021
Actualizado
11.10.2026 10:22

Fuentes y licencias

OSV / GitHub Advisory Database - GHSA-c5c9-8c6m-727v - CC BY 4.0

Historial de vulnerabilidades: typo3/cms

Todas las vulnerabilidades publicadas de este paquete (Paquete de Composer), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.

Todas (188) en el archivo
Entradas en total
188
Primera → última
09.2018 06.2024
Sin corrección
3
Explotada en ataques
0

Distribución por gravedad

  • Crítica 6
  • Alta 41
  • Media 128
  • Baja 13

Divulgaciones por año

Gravedad:
  1. TYPO3 Security Misconfiguration in Install Tool Cookie
    Alta · 8.1 ghsa-f777-f784-36gm >= 7.0.0, < 7.6.32, >= 8.0.0, < 8.7.21, >= 9.0.0, < 9.5.2 7.6.32, 8.7.21, 9.5.2
  2. TYPO3 Arbitrary Code Execution via File List Module
    Alta · 8.8 ghsa-8h4m-r4wm-xj7r >= 8.0.0, < 8.7.23, >= 9.0.0, < 9.5.4 8.7.23, 9.5.4
  3. TYPO3 Denial of Service in Frontend Record Registration
    Alta · 7.5 ghsa-g585-crjf-vhwq >= 7.0.0, < 7.6.32, >= 8.0.0, < 8.7.21 7.6.32, 8.7.21
  4. TYPO3 Security Misconfiguration for Backend User Accounts
    Alta · 7.3 ghsa-c5mj-39cf-3pp5 >= 8.0.0, < 8.7.23, >= 9.0.0, < 9.5.4 8.7.23, 9.5.4
  5. TYPO3 CMS Possible Insecure Deserialization in Extbase Request Handling
    Alta · 8.1 ghsa-hh95-5xm5-v8v7 >= 8.0.0, < 8.7.30, >= 9.0.0, < 9.5.12 8.7.30, 9.5.12
  6. Insecure Deserialization & Arbitrary Code Execution in TYPO3 CMS
    Alta ghsa-ppgf-8745-8pgx >= 7.0.0, < 7.6.30, >= 8.0.0, < 8.7.17, >= 9.0.0, < 9.3.2 7.6.30, 8.7.17, 9.3.2
  7. Privilege Escalation & SQL Injection in TYPO3 CMS
    Alta · 8.8 ghsa-7qwg-fcpw-xg5g >= 8.5.0, < 8.7.17, >= 9.0.0, < 9.3.2 8.7.17, 9.3.2
  8. TYPO3 Remote Code Execution in third party library swiftmailer
    Alta ghsa-g4pf-3jvq-2gcw >= 6.2.0, < 6.2.30, >= 7.6.0, < 7.6.15, >= 8.0.0, < 8.5.1 6.2.30, 7.6.15, 8.5.1
  9. Arbitrary Code Execution in TYPO3 CMS
    Crítica · 9.9 ghsa-67wg-6j7r-mqh8 >= 7.6.0, < 7.6.22, >= 8.0.0, < 8.7.5 7.6.22, 8.7.5
  10. Insecure Deserialization in TYPO3 CMS
    Alta ghsa-8h28-f46f-m87h >= 8.5.0, < 8.7.17, >= 9.0.0, < 9.3.2 8.7.17, 9.3.2
  11. Missing Access Check in TYPO3 CMS
    Crítica · 9.0 ghsa-gwfx-p7mr-f92v >= 6.2.0, < 6.2.25, >= 7.6.0, < 7.6.8, >= 8.0.0, < 8.1.1 6.2.25, 7.6.8, 8.1.1
  12. XML External Entity (XXE) Processing in TYPO3 Core
    Alta ghsa-qffc-gwpp-m2xr >= 6.2.0, < 6.2.19, >= 7.6.0, < 7.6.4 6.2.19, 7.6.4
  13. TYPO3 SQL Injection in dbal
    Alta ghsa-9895-53fc-98v2 >= 6.2.0, < 6.2.18 6.2.18
  14. TYPO3 frontend login vulnerable to Session Fixation
    Alta · 7.1 ghsa-r9vc-jfmh-6j48 >= 6.2.0, < 6.2.14, >= 7.0.0, < 7.3.1 6.2.14, 7.3.1
  15. TYPO3 may allow editors to change, create, or delete metadata of files not within their file mounts
    Alta · 8.8 ghsa-4r76-xr68-w7m7 >= 6.2.0, < 6.2.14, >= 7.0.0, < 7.3.1 6.2.14, 7.3.1
  16. TYPO3 possible cache poisoning on the homepage when anchors are used
    Alta ghsa-p84g-j2gh-83g3 >= 6.2.0, < 6.2.9, >= 7.0.0, < 7.0.2 6.2.9, 7.0.2
  17. TYPO3 Arbitrary Shell Execution in Swiftmailer library
    Alta · 8.1 ghsa-45xg-4w5x-j429 >= 6.2.0, < 6.2.6, >= 6.1.0, < 6.1.12, >= 4.7.0, < 4.7.20, >= 4.5.0, < 4.5.37 6.2.6, 6.1.12, 4.7.20, 4.5.37
  18. TYPO3 is vulnerable to Cross-Site Scripting via frontend rendering
    Alta · 8.8 CVE-2023-24814 >= 10.0.0, < 10.4.35, >= 11.0.0, < 11.5.23, >= 12.0.0, < 12.2.0 10.4.35, 11.5.23, 12.2.0
  19. TYPO3 vulnerable to Insufficient Session Expiration
    Crítica · 9.8 CVE-2022-47406 < 2.0.5, >= 3.0.0, < 3.0.3 2.0.5, 3.0.3
  20. TYPO3 CMS vulnerable to Arbitrary Code Execution via Form Framework
    Alta · 7.5 CVE-2022-23503 >= 10.0.0, < 10.4.33, >= 11.0.0, < 11.5.20, >= 12.0.0, < 12.1.1 10.4.33, 11.5.20, 12.1.1
  21. TYPO3 Vulnerable to Insecure Deserialization
    Alta · 8.8 CVE-2019-12747 >= 8.0.0, < 8.7.27, >= 9.0.0, < 9.5.8 8.7.27, 9.5.8
  22. TYPO3 Image Processing susceptible to Code Execution
    Alta · 7.5 CVE-2019-11832 >= 8.0.0, < 8.7.25, >= 9.0.0, < 9.5.6 8.7.25, 9.5.6
  23. TYPO3 Insecure Deserialization in Query Generator & Query View
    Alta · 8.8 CVE-2019-19849 >= 10.0.0, < 10.2.1, >= 8.0.0, < 8.7.30, >= 9.0.0, < 9.5.12 10.2.1, 8.7.30, 9.5.12
  24. TYPO3 Remote File Disclosure vulnerability in the jumpUrl mechanism
    Alta CVE-2010-3714 >= 4.2.0, < 4.2.15, >= 4.3.0, < 4.3.7, >= 4.4.0, < 4.4.4 4.2.15, 4.3.7, 4.4.4
  25. TYPO3 vulnerable to remote authenticated arbitrary code execution
    Alta CVE-2013-4321 >= 6.0.0, < 6.0.9, >= 6.1.0, < 6.1.4 6.0.9, 6.1.4
  26. TYPO3 doesn't properly check file extensions
    Alta CVE-2013-4250 >= 6.0.0, < 6.0.8, >= 6.1.0, < 6.1.3 6.0.8, 6.1.3
  27. TYPO3 vulnerable to authentication bypass via leveraging knowledge of password hash
    Crítica CVE-2014-3945 < 6.2.0 6.2.0
  28. Typo3 Vulnerable to Cache Poisoning
    Alta CVE-2014-9509 >= 4.5.0, < 4.5.39, >= 6.2.0, < 6.2.9, >= 7.0.0, < 7.0.2, >= 4.6.0, < 4.6.19, >= 4.7.0, < 4.7.21, >= 6.0.0, < 6.0.15, >= 6.1.0, < 6.1.13 4.5.39, 6.2.9, 7.0.2, 4.6.19, 4.7.21, 6.0.15, 6.1.13
  29. PHP OpenID Library Denial of Service vulnerability
    Alta CVE-2013-4701 >= 6.2.0, < 6.2.6 6.2.6
  30. TYPO3 Arbitrary Code Execution
    Alta · 8.8 CVE-2017-14251 >= 7.6.0, < 7.6.22, >= 8.0.0, < 8.7.5 7.6.22, 8.7.5
  31. TYPO3 Color Picker Wizard component allows remote authenticated editors to execute arbitrary PHP code
    Alta CVE-2014-3942 >= 4.5.0, < 4.5.34, >= 4.7.0, < 4.7.19, >= 6.0.0, < 6.0.14, >= 6.1.0, < 6.1.9 4.5.34, 4.7.19, 6.0.14, 6.1.9
  32. TYPO3 PHP remote file inclusion vulnerability
    Alta CVE-2010-1153 >= 4.3.0, < 4.3.3 4.3.3
  33. Indexed Search Engine for TYPO3 Command Execution via Metacharacter Injection
    Alta CVE-2009-0258 >= 4.0.0, < 4.0.10, >= 4.1.0, < 4.1.8, >= 4.2.0, < 4.2.4 4.0.10, 4.1.8, 4.2.4
  34. Authentication library in TYPO3 vulnerable to session fixation
    Alta CVE-2009-0256 >= 4.0.0, < 4.0.10, >= 4.1.0, < 4.1.8, >= 4.2.0, < 4.2.4 4.0.10, 4.1.8, 4.2.4
  35. TYPO3 Reveals Sensitive Information via Direct Request to `misc/phpcheck/`
    Alta CVE-2005-4875 < 3.8.1 3.8.1
  36. Typo3 SQL injection due to faulty prepared statements
    Crítica · 9.8 CVE-2011-3583 >= 4.5.0, <= 4.5.5 sin corrección
  37. Typo3 Authentication Bypass
    Crítica · 9.8 CVE-2011-4628 < 4.3.12, >= 4.4.0, < 4.4.9, >= 4.5.0, < 4.5.4 4.3.12, 4.4.9, 4.5.4
  38. Cross-Site-Request-Forgery in Backend
    Alta · 8.8 CVE-2021-41113 >= 11.2.0, < 11.5.0 11.5.0
  39. Cross-Site Scripting via Rich-Text Content esta entrada
    Media · 6.1 CVE-2021-32768 >= 10.0.0, < 10.4.19, >= 11.0.0, < 11.3.2, >= 9.0.0, < 9.5.29, >= 8.0.0, < 8.7.42, >= 7.0.0, < 7.6.53 10.4.19, 11.3.2, 9.5.29, 8.7.42, 7.6.53
  40. Broken Access Control in Form Framework
    Alta · 8.3 CVE-2021-21357 >= 10.0.0, < 10.4.14, >= 11.0.0, < 11.1.1, >= 9.0.0, < 9.5.25 10.4.14, 11.1.1, 9.5.25
Mostrar más (8) Mostrando 40 de 48

Identifica las vulnerabilidades de tu aplicación

Con la integración de DockRay y el inventario de software activado, DockRay compara las versiones notificadas de los componentes con las vulnerabilidades conocidas y avisa de las coincidencias confirmadas. La cobertura depende de la tecnología compatible y de los avisos disponibles.

Conectar tu aplicación
Newsletter DockRay

La seguridad de tus aplicaciones en tu correo

Vulnerabilidades importantes, recomendaciones concretas y consejos prácticos para tus aplicaciones. Elige tus tecnologías y sigue lo que importa para tu proyecto.

  • Un resumen diario de nuevas vulnerabilidades, también las críticas.
  • Avisos sobre actualizaciones importantes.
  • Consejos prácticos sobre seguridad y monitorización de aplicaciones.

Déjalo vacío para recibir avisos de todas las tecnologías.

Política de privacidad

Suscripción gratuita. Date de baja con un clic en cualquier correo.